1. Cavity conditioning in ART is done by37% Phosphoric AcidCocoa ButterPetroleum Jelly10% Polyacrylic AcidQuestion 1 of 20 2. All of the following are true about cluster sampling except:Is a Rapid and simple methodThe sample size may vary according to study designIt is a type of probability sampleSamples are similar to those in Simple Random SamplingQuestion 2 of 20 3. Which of the following is not an accepted method of randomizationComputer drawn randomizationLotteryOdd/even day hospital admissionRandom number tableQuestion 3 of 20 4. Application of Incubation period is all EXCEPTTo differentiate co-primary cases from secondary casesTo find out time for QuarantineTo find out time for isolationTo prevent infection to the contacts of the infected personQuestion 4 of 20 5. Developing an answer or a solution to an already known problem or a question which can be quantified and analysed is known as:Statistical analysisHypothesis formulationData collectionAnalysis and interpretationQuestion 5 of 20 6. Which of the following is cariogenicSeleniumStrontiumMolybdenumFluorideQuestion 6 of 20 7. Comparing means of 3 different groups or datasets is best done by using:Chi square testt testOne-way ANOVAKruskal wallisQuestion 7 of 20 8. Comprehensive school based dental care for whole country is adopted byNew ZealandAustraliaSwedenUSAQuestion 8 of 20 9. Occurrence of malocclusion in a given population termed as?PrevalenceIncidenceProbabilityMortalityQuestion 9 of 20 10. Live viral vaccine isRabiesHepatitisSalkMeaslesQuestion 10 of 20 11. Scalogram is another name forGuttman ScaleSenatic Differential ScaleThurstone scaleLikert ScaleQuestion 11 of 20 12. Which of the following tests is applied in case of Sample size > 30 which is following normal distribution:Mann whitney testChi square testStudent T testZ testQuestion 12 of 20 13. According to WHO, which of the following disease is eradicated from the planet:Chicken poxMeaslesSmall poxYellow feverQuestion 13 of 20 14. Mean bone density amongst two groups of 50 people each is compared with each other. The test of significance used would be:Paired-t-testStudent t-testChi-Square testAnalysis of varianceQuestion 14 of 20 15. Which of the following conditions does not have a National Screening / Control Programme?Diabetes MellitusDental cariesRefractive errorsCarcinoma cervixQuestion 15 of 20 16. Meta-analysis is helpful in dentistry to:Decreases publication biasDefine who is at risk of diseaseProvide quantitative summary measure from many studiesGuide statistical testing for clinical proceduresQuestion 16 of 20 17. Recommended concentration of fluoride in school water fluoridation is1 ppm4 ppm12 ppm2 ppmQuestion 17 of 20 18. If mean is less than the median, than the data is said to bePositively skewedNormal distributionNegatively skewedEquitable distributionQuestion 18 of 20 19. First and foremost, step in biomedical waste disposal is:Proper disposalIncinerationDecontaminationSegregationQuestion 19 of 20 20. Plastic wrapper of surgical syringe should be discarded in:Black bagRed bagBlueYellow bagQuestion 20 of 20 Loading...